Sebastian County is lying in the state of Arkansas. With an area of 546 square miles, Sebastian County is one of the smallest counties in the state, while in terms of population it is at the top with 11,507 inhabitants. Sebastian County's population density of urban makes it one of the least heavily populated areas in the state. The county's largest city is Fort Smith, with a population of 83,743.
Sebastian County is one of the most prosperous regions in the state. The median income for Sebastian County residents is $34,308, putting the area in in the top fifth of all counties in Arkansas. Reflecting this, the average house price in Sebastian County is $71,640, well above the state average of $68,421.
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